Question

what can I do to find the lim x->0 ((sqrt(x+4)-2)/x ?

Answer 1

try rationalizing the numerator

Answer 2

how?

Answer 3

multiplying by top's conjugate
do it to both top and bottom

Answer 4

\[\frac{\sqrt{(x+4)} -2}{x}\]

I would use L'H'S derive top and bottom

Answer 5

( f(g)-f(h) ) ' = f(g)' - f(h) '

Answer 6

never mind, I am not a good helper.

Answer 7

@myininaya I got this

Answer 8

1/4.. thanks